Question: The function f left parenthesis x right parenthesis equals 21 left parenthesis 0.990 right parenthesis Superscript x f(x)=21(0.990)x models the percentage of surfacesunlight, f(x), that

The function f left parenthesis x right parenthesis equals 21 left parenthesis 0.990 right parenthesis Superscript x

f(x)=21(0.990)x models the percentage of surfacesunlight, f(x), that reaches a depth of x feet beneath the surface of the ocean. The figure shows the graph of this function. Use the function to determine at whatdepth, to the nearestfoot, there is1% of surface sunlight. How is this shown on the graph off?

a. At what depth is there only 1% of surface sunlight?

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